CSC 8570 USI

1
CSC 8570 -- USI

• Class Meeting 7
• October 25, 2005

2
One Minute Assessment

• What are the two most important concepts that you
  have learned so far?
• What are you most confused about?

3
Quick Review

• Abstraction to implementation
• Cognitive dimensions
• Descriptions of ways of thinking
• GUEPs
• Design principles
• General
• Specific
• Task analysis

4
Quick Review (2)

• How big, really, is A4 paper?

5
Mental Models

• As theories
• As problem spaces
• As homomorphisms of the physical world
• Derived from language, perception, or imagination
• As representations of representational artifacts
  (yoked state space)
• As computationally equivalent to external
  representations (internalization)

6
Experiment 1

• For your assigned button on Windows Explorer,
  determine
• Its syntax
• Its semantics
• Which cognitive dimensions and which GUEPs its
  behavior exemplifies.

7
Experiment 1 (Buttons)

• Back
• Forward
• Search
• Folders
• Views
• Go
• Name

• Size
• Type
• Date modified
• X (right of Folders)
• ? (next to dialog box)
• View
• File

8
Experiment 2

• Match the 14 cognitive dimensions to the 9 GUEPs
  looking for overlapping and orthogonal ideas.
  Create a 14 by 9 array whose cell entries
  describe the relationship between the ith CD and
  the jth GUEP

9
Article Presentations

• Choose one of the three topic areas
• Find an interesting recent (last 4 years) paper
  in the area
• Prepare a 20 minute presentation of the paper
• The background
• The experiment
• The results
• The critique

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Article Presentations (2)

• Subject areas
• Intelligent user interfaces (IUI)
• Tiny user interfaces
• Examples PDA, cell phone, camera, IPod
• Catch phrase opportunistic annexing
• Participatory design
• Users involved at all stages of system development

11
Research Project

• Progress reports (PR 1 due next time)
• Report drafts (Sections 12 due 11/29)
• Final written report (Due 12/13)
• Oral report (Given 12/13)
• Poster presentation (Due 12/20)

12
Next Time

• Submit presentation area and article for approval

13
Research Team Meetings